Salt is currently hiring a skilled Fullstack Engineer for a client of ours in Amsterdam.
The role is a 9 month contract paying 100 euros an hour for a freelancer with KVK/ZZP.
Key Responsibilities
- Design, develop, and maintain scalable, high-performance web applications using modern JavaScript/TypeScript technologies.
- Build responsive, accessible, and cross-browser compatible user interfaces using React, HTML, and CSS.
- Translate business requirements, wireframes, and UX designs into functional, reusable, and maintainable components and applications.
- Collaborate closely with frontend and backend engineers, UX/UI designers, QA engineers, product managers, and other stakeholders to deliver high-quality product features.
- Write clean, maintainable, and well-tested code, ensuring high standards for code quality through unit testing and peer reviews.
- Participate in the full software development lifecycle, including design, development, deployment, monitoring, maintenance, and production support.
- Troubleshoot and resolve production issues while optimizing application performance, scalability, reliability, and security.
- Contribute to frontend architecture decisions, technical improvements, and engineering best practices.
- Implement and maintain CI/CD pipelines and support containerized applications in production environments.
- Utilize data-driven development practices, including analytics and A/B testing, to improve product performance and user experience.
Required Skills & Experience
- Minimum 4 years of professional experience in Full Stack or Frontend development.
- Expert-level proficiency in JavaScript, TypeScript, React, HTML, and CSS, using modern development frameworks, tools, and best practices.
- Strong experience building responsive, cross-browser, and cross-platform web applications.
- Solid understanding of frontend architecture, component design, state management, and performance optimization.
- Experience gathering, validating, and translating business requirements into technical solutions.
- Proven experience writing unit tests and maintaining high code quality.
- Strong knowledge of software delivery practices, including deployments, monitoring, incident response, troubleshooting, scalability, security, and reliability.
- Experience using version control systems such as Git.
- Experience working with containerized applications using Docker and Kubernetes, including deployment, orchestration, scaling, monitoring, troubleshooting, and production support.
- Experience implementing and maintaining CI/CD pipelines.
- Excellent problem-solving skills with the ability to work independently and collaboratively.
- Excellent written and verbal communication skills in English.
Preferred Qualifications
- Experience with Node.js and GraphQL.
- Experience developing and deploying cloud-native applications on AWS.
- Experience with performance monitoring and observability tools.
- Experience with data analytics, experimentation, and A/B testing.
- Experience working on products serving large-scale customer bases.
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